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Patent Assignment Assignor Details
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Assignor Name : IONKINA, OLGA
Total Assignments: 5
Assignment: 1
Reel/Frame:011983/0258   Pages: 11
Recorded: 07/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IONKINA, OLGA
Exec Dt:
06/01/2001
2
SUBRAMANIAN, MUNIRPALLAM A.
Exec Dt:
06/01/2001
3
CHAO, WENCHUN
Exec Dt:
06/01/2001
4
MAKAR, KAMEL M.
Exec Dt:
06/18/2001
5
MANZER, LEO E.
Exec Dt:
06/01/2001
Assignee
1
CONOCO INC., A CORPORATION OF DELAWARE
600 NORTH DAIRY ASHFORD
HOUSTON, TEXAS 77079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020010221
09804271
Correspondence name and address
CONOCO INC.
JOANNA K. PAYNE
1000 S. PINE STREET, 2635 RW
P.O. BOX 1267
PONCA CITY, OK 174602-1267
Assignment: 2
Reel/Frame:012817/0673   Pages: 10
Recorded: 04/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IONKINA, OLGA
Exec Dt:
03/18/2002
2
CHAO, WENCHUN
Exec Dt:
03/15/2002
3
SUBRAMANIAN, MUNIRPALLAM A.
Exec Dt:
03/27/2002
4
MANZER, LEO E.
Exec Dt:
03/28/2002
5
MAKAR, KAMEL M.
Exec Dt:
04/02/2002
6
RAJE, AJOY P.
Exec Dt:
03/18/2002
Assignee
1
CONOCO INC.
600 NORTH DAIRY ASHFORD
HOUSTON, TEXAS 77079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6727289
US20020173555
10047231
Correspondence name and address
CONOCO INC.
DAVID W. WESTPHAL
P.O. BOX 483
HOUSTON, TEXAS 77210-4783
Assignment: 3
Reel/Frame:013377/0257   Pages: 10
Recorded: 10/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IONKINA, OLGA
Exec Dt:
08/16/2002
2
SRINIVASAN, NITHYA
Exec Dt:
08/16/2002
3
HERRON, NORMAN
Exec Dt:
08/20/2002
4
KOURTAKIS, KOSTANTINOS
Exec Dt:
08/21/2002
5
SUBRAMANIAN, MUNIRPALLAM A.
Exec Dt:
09/26/2002
Assignee
1
CONOCO INC.
600 NORTH DAIRY ASHFORD
HOUSTON, TEXAS 77079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030027874
10184472
Correspondence name and address
CONOCO INC.
DAVID WESTPHAL
P.O. BOX 4783
HOUSTON, TX 77210-4783
Assignment: 4
Reel/Frame:036682/0437   Pages: 12
Recorded: 09/29/2015
Attorney Dkt #:011774-0402
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUVENHAGE, DAWID J.
Exec Dt:
02/15/2013
2
SCHMIDT, CHRISTINE
Exec Dt:
02/18/2013
3
STILL, MARK
Exec Dt:
02/19/2013
4
AZZAM, KHALID
Exec Dt:
02/15/2013
5
KHARAS, KARL
Exec Dt:
01/02/2014
6
HUNEGNAW, SARA
Exec Dt:
02/22/2013
7
IONKINA, OLGA
Exec Dt:
02/15/2013
8
HUANG, RAY
Exec Dt:
02/22/2013
9
WRIGHT, HAROLD A.
Exec Dt:
02/20/2013
Assignee
1
RENTECH, INC.
P.O. DRAWER 460267
LOS ANGELES, CALIFORNIA 90024
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9669390
US20160001267
14767240
Correspondence name and address
TIMOTHY S. WESTBY
1000 MAIN ST., 36TH FLOOR
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:042031/0941   Pages: 12
Recorded: 04/17/2017
Attorney Dkt #:011774-0411
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUVENHAGE, DAWID J.
Exec Dt:
02/15/2013
2
SCHMIDT, CHRISTINE
Exec Dt:
02/18/2013
3
STILL, MARK
Exec Dt:
02/19/2013
4
AZZAM, KHALID
Exec Dt:
02/15/2013
5
KHARAS, KARL
Exec Dt:
01/02/2014
6
HUNEGNAW, SARA
Exec Dt:
02/22/2013
7
IONKINA, OLGA
Exec Dt:
02/15/2013
8
HUANG, RAY
Exec Dt:
02/22/2013
9
WRIGHT, HAROLD A.
Exec Dt:
02/20/2013
Assignee
1
RENTECH, INC.
10877 WILSHIRE BLVD., 10TH FLOOR
LOS ANGELES, CALIFORNIA 90024
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170209852
15483500
Correspondence name and address
TIMOTHY S. WESTBY
1000 MAIN STREET, 36TH FLOOR
HOUSTON, TX 77002-6341

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